
/* ===========================================================
   THEME TOKENS
   Mode:    <html data-theme="dark|light">   (attribute absent = follow device)
   =========================================================== */
:root{ --accent-l:#C4261D; --accent-l-rgb:196,38,29;  --accent-d:#F79A90; --accent-d-rgb:247,154,144; }

:root{
  --bg:#F3F4F2; --surface:#FFFFFF; --surface-2:#E7E9E6; --deep:#122029;
  --ink:#122029; --ink-2:#57646D; --line:#D8DCD8;
  --accent:var(--accent-l); --accent-rgb:var(--accent-l-rgb); --accent-on:#FFFFFF;
  --ph-a:#E4E7E4; --ph-b:#DADEDA;
  --shadow:0 1px 2px rgba(18,32,41,.05), 0 18px 40px -24px rgba(18,32,41,.45);
  --r:4px; --r-lg:6px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1417; --surface:#151C20; --surface-2:#1D262B; --deep:#080D10;
    --ink:#E7EBEC; --ink-2:#95A2A9; --line:#263136;
    --accent:var(--accent-d); --accent-rgb:var(--accent-d-rgb); --accent-on:#0E1417;
    --ph-a:#1A2226; --ph-b:#212B31;
    --shadow:0 1px 2px rgba(0,0,0,.5), 0 18px 44px -26px rgba(0,0,0,.9);
  }
}
:root[data-theme="dark"]{
  --bg:#0E1417; --surface:#151C20; --surface-2:#1D262B; --deep:#080D10;
  --ink:#E7EBEC; --ink-2:#95A2A9; --line:#263136;
  --accent:var(--accent-d); --accent-rgb:var(--accent-d-rgb); --accent-on:#0E1417;
  --ph-a:#1A2226; --ph-b:#212B31;
  --shadow:0 1px 2px rgba(0,0,0,.5), 0 18px 44px -26px rgba(0,0,0,.9);
}
/* hand the tokens to Bootstrap's components */
:root{
  --bs-primary:var(--accent); --bs-primary-rgb:var(--accent-rgb);
  --bs-link-color:var(--accent); --bs-link-color-rgb:var(--accent-rgb); --bs-link-hover-color:var(--accent);
  --bs-body-bg:var(--bg); --bs-body-color:var(--ink); --bs-border-color:var(--line);
  --bs-border-radius:var(--r); --bs-border-radius-lg:var(--r-lg);
  --bs-focus-ring-color:rgba(var(--accent-rgb),.3);
}

/* ===========================================================
   BASE
   =========================================================== */
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:"Source Serif 4",Georgia,serif; font-size:1.0625rem; line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,.sans{font-family:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif}
h1,h2,h3,h4{font-weight:600; letter-spacing:-.018em; line-height:1.14; color:var(--ink)}
h1{font-size:clamp(2.3rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.7rem,3.3vw,2.6rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem); line-height:1.3}
h4{font-size:1.05rem}
p{max-width:70ch; margin-bottom:1.1rem}
a{color:var(--accent); text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent); outline-offset:3px}
.container{max-width:1180px}
.section{padding:clamp(3.6rem,7vw,6.5rem) 0}
.section-tight{padding:clamp(2.4rem,4vw,3.6rem) 0}
.band{background:var(--surface-2)}
.muted{color:var(--ink-2)}
.lead-2{font-size:1.18rem; line-height:1.6; color:var(--ink-2); font-weight:400}
.narrow{max-width:74ch}

/* a small reference code, the way an inspection report is labelled */
.ref{
  font-family:"Archivo",sans-serif; font-size:.74rem; font-weight:600; letter-spacing:.06em;
  color:var(--accent); text-transform:uppercase;
}
.sec-head{display:grid; grid-template-columns:7.5rem 1fr; gap:1.5rem; margin-bottom:2.6rem}
.sec-head .ref{padding-top:.7rem}
.sec-head h2{margin:0}
.sec-head p{margin:.9rem 0 0}
@media (max-width:767.98px){ .sec-head{grid-template-columns:1fr; gap:.5rem} .sec-head .ref{padding-top:0} }

/* ===========================================================
   BUTTONS
   =========================================================== */
.btn{font-family:"Archivo",sans-serif; font-weight:500; font-size:.98rem; padding:.78rem 1.6rem; border-radius:2px; transition:.16s ease}
.btn-accent{background:var(--accent); color:var(--accent-on); border:1px solid var(--accent)}
.btn-accent:hover,.btn-accent:focus{background:var(--accent); color:var(--accent-on); filter:brightness(1.08)}
.btn-line{background:transparent; color:var(--ink); border:1px solid var(--line)}
.btn-line:hover{background:var(--surface); color:var(--ink); border-color:var(--accent)}
.link-quiet{font-family:"Archivo",sans-serif; font-size:.95rem; color:var(--ink); text-decoration:none; border-bottom:1px solid var(--accent); padding-bottom:3px}
.link-quiet:hover{color:var(--accent)}

/* ===========================================================
   IMAGE PLACEHOLDERS
   Swap for a real photo:
     <figure class="ph" style="aspect-ratio:4/3"><img src="…" alt="" class="img-fit"></figure>
   =========================================================== */
.ph{position:relative; display:flex; align-items:center; justify-content:center; overflow:hidden;
  margin:0; border-radius:var(--r); border:1px dashed color-mix(in srgb, var(--ink) 24%, transparent);
  background:repeating-linear-gradient(135deg,var(--ph-a) 0 12px,var(--ph-b) 12px 24px);}
.ph::after{content:attr(data-size); font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:.76rem;
  color:var(--ink-2); background:var(--surface); border:1px solid var(--line); padding:.32rem .68rem; white-space:nowrap;}
.ph:has(img)::after{display:none}
.img-fit{width:100%; height:100%; object-fit:cover; display:block}

/* ===========================================================
   HEADER
   =========================================================== */
.site-head{position:sticky; top:0; z-index:1030; background:color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter:saturate(180%) blur(12px); border-bottom:1px solid transparent; transition:border-color .2s}
.site-head.is-stuck{border-bottom-color:var(--line)}
.navbar{padding:.85rem 0}
.brand img{height:44px; width:auto; display:block}
.nav-link{font-family:"Archivo",sans-serif; font-size:.95rem; font-weight:450; color:var(--ink); padding:.4rem .85rem !important}
.nav-link:hover{color:var(--accent)}
.nav-link.active{color:var(--accent); font-weight:600}
.theme-btn{width:40px; height:40px; display:grid; place-items:center; border-radius:2px; border:1px solid var(--line); background:var(--surface); color:var(--ink)}
.theme-btn:hover{border-color:var(--accent); color:var(--accent)}
.theme-panel{min-width:264px; padding:1rem; border-radius:var(--r); border:1px solid var(--line); background:var(--surface); box-shadow:var(--shadow)}
.theme-panel h6{font-family:"Archivo",sans-serif; font-size:.76rem; font-weight:600; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-2); margin:0 0 .6rem}
.mode-group{display:grid; grid-template-columns:repeat(3,1fr); gap:.3rem; background:var(--surface-2); padding:.25rem; border-radius:2px}
.mode-group button{border:0; background:transparent; color:var(--ink-2); font-family:"Archivo",sans-serif; font-size:.85rem; padding:.4rem .2rem; border-radius:2px}
.mode-group button[aria-pressed="true"]{background:var(--surface); color:var(--ink); font-weight:600; box-shadow:0 1px 2px rgba(0,0,0,.14)}

/* ===========================================================
   HERO + PAGE HEADS
   =========================================================== */
.hero{padding:clamp(2.6rem,6vw,5rem) 0 clamp(3rem,6vw,5rem)}
.hero h1{margin:0 0 1.3rem}
.kicker{display:inline-flex; align-items:center; gap:.6rem; font-family:"Archivo",sans-serif; font-size:.82rem;
  letter-spacing:.05em; text-transform:uppercase; color:var(--ink-2); margin-bottom:1.4rem}
.kicker::before{content:""; width:26px; height:1px; background:var(--accent)}
.hero-figure{box-shadow:var(--shadow)}
.facts{display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line)}
.facts div{background:var(--bg); padding:1.15rem 1.25rem}
.facts .n{font-family:"Archivo",sans-serif; font-weight:600; font-size:1.5rem; display:block; line-height:1.1}
.facts .l{font-size:.86rem; color:var(--ink-2); font-family:"Archivo",sans-serif}
.page-head{padding:clamp(2.6rem,5vw,4rem) 0 clamp(1.8rem,3vw,2.6rem); border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(2rem,4.4vw,3.2rem); margin:.4rem 0 1rem}
.crumb{font-family:"Archivo",sans-serif; font-size:.82rem; color:var(--ink-2)}
.crumb a{color:var(--ink-2); text-decoration:none}
.crumb a:hover{color:var(--accent)}

/* ===========================================================
   LISTS, RULES, GRIDS
   =========================================================== */
.row-list{border-top:1px solid var(--line)}
.row-list > *{border-bottom:1px solid var(--line); padding:1.7rem 0; display:grid; grid-template-columns:4rem 1fr auto; gap:1.4rem; align-items:start; text-decoration:none; color:inherit}
.row-list .no{font-family:"Archivo",sans-serif; font-size:.8rem; font-weight:600; color:var(--ink-2); padding-top:.4rem}
.row-list h3{margin:0 0 .45rem}
.row-list p{margin:0; color:var(--ink-2); font-size:1rem}
.row-list .go{font-family:"Archivo",sans-serif; font-size:.88rem; color:var(--ink-2); padding-top:.45rem; white-space:nowrap}
.row-list a:hover .go{color:var(--accent)}
@media (max-width:575.98px){ .row-list > *{grid-template-columns:1fr; gap:.5rem} }

.tick{list-style:none; padding:0; margin:0; columns:2; column-gap:2.5rem}
.tick li{padding:.42rem 0 .42rem 1.5rem; position:relative; break-inside:avoid; font-size:1rem; color:var(--ink-2)}
.tick li::before{content:""; position:absolute; left:0; top:1.05em; width:8px; height:1px; background:var(--accent)}
@media (max-width:575.98px){ .tick{columns:1} }

.card-q{background:var(--surface); border:1px solid var(--line); padding:1.6rem 1.5rem; height:100%}
.card-q h3{font-size:1.1rem; margin:0 0 .55rem}
.card-q p{margin:0; color:var(--ink-2); font-size:.98rem}
.card-q .mk{display:block; width:22px; height:2px; background:var(--accent); margin-bottom:1rem}

/* custody chain */
.chain{display:grid; grid-template-columns:repeat(5,1fr); gap:0; border-top:2px solid var(--line); margin-top:2.5rem}
.chain div{padding:1.3rem 1rem 0; position:relative}
.chain div::before{content:""; position:absolute; top:-7px; left:0; width:12px; height:12px; background:var(--accent); border-radius:50%}
.chain h4{font-size:.98rem; margin:0 0 .35rem}
.chain p{font-size:.9rem; color:var(--ink-2); margin:0}
@media (max-width:767.98px){ .chain{grid-template-columns:1fr 1fr} }
@media (max-width:479.98px){ .chain{grid-template-columns:1fr} }

/* stepped method */
.step{display:grid; grid-template-columns:4.2rem 1fr; gap:1.2rem; padding:1.5rem 0; border-bottom:1px solid var(--line)}
.step .n{font-family:"Archivo",sans-serif; font-weight:600; font-size:1.5rem; color:var(--accent); line-height:1.2}
.step h3{margin:.1rem 0 .5rem; font-size:1.18rem}
.step p{margin:0; color:var(--ink-2)}

/* flow */
.flow{display:flex; flex-wrap:wrap; gap:.5rem; align-items:center; margin:1.6rem 0}
.flow span{font-family:"Archivo",sans-serif; font-size:.88rem; border:1px solid var(--line); background:var(--surface); padding:.5rem .9rem}
.flow em{color:var(--accent); font-style:normal}

/* dark panel */
.panel{background:var(--deep); color:#EDF1F2; padding:clamp(2rem,5vw,3.6rem)}
.panel h2,.panel h3{color:#fff}
.panel p{color:rgba(237,241,242,.74)}
.panel .tick li{color:rgba(237,241,242,.74)}
.panel .stat{border-left:2px solid var(--accent); padding-left:1rem}
.panel .stat .n{font-family:"Archivo",sans-serif; font-weight:600; font-size:1.9rem; color:#fff; display:block; line-height:1.1}
.panel .stat .l{font-size:.86rem; color:rgba(237,241,242,.6)}

/* data table */
table.spec{width:100%}
table.spec td{padding:.75rem 1.2rem .75rem 0; vertical-align:top; font-size:1rem; border-bottom:1px solid var(--line)}
table.spec td:first-child{color:var(--ink-2); white-space:nowrap; width:15rem; font-family:"Archivo",sans-serif; font-size:.9rem}
@media (max-width:575.98px){ table.spec td:first-child{width:9rem} }

/* people */
.person .ph{aspect-ratio:4/5; margin-bottom:1rem}
.person h3{margin:0 0 .2rem}
.person .role{font-family:"Archivo",sans-serif; font-size:.86rem; color:var(--accent); margin-bottom:.7rem}
.person p{font-size:.98rem; color:var(--ink-2); margin:0}

/* forms */
.form-control,.form-select{background:var(--surface); border:1px solid var(--line); color:var(--ink); border-radius:2px; padding:.75rem .9rem; font-family:"Archivo",sans-serif; font-size:.98rem}
.form-control:focus,.form-select:focus{background:var(--surface); color:var(--ink); border-color:var(--accent); box-shadow:0 0 0 .18rem rgba(var(--accent-rgb),.18)}
.form-label{font-family:"Archivo",sans-serif; font-size:.86rem; font-weight:500; margin-bottom:.35rem}

/* accordion */
.accordion{--bs-accordion-bg:transparent; --bs-accordion-border-color:var(--line); --bs-accordion-btn-color:var(--ink);
  --bs-accordion-color:var(--ink-2); --bs-accordion-active-color:var(--accent); --bs-accordion-active-bg:transparent;
  --bs-accordion-btn-focus-box-shadow:0 0 0 .18rem rgba(var(--accent-rgb),.2); --bs-accordion-border-radius:0}
.accordion-button{font-family:"Archivo",sans-serif; font-weight:500; font-size:1.05rem; padding:1.2rem 0}
.accordion-body{padding:0 0 1.3rem}
.accordion-item{border-left:0; border-right:0}

/* hero carousel */
.hero-carousel .slide-cap{border-bottom:1px solid var(--line); padding:1rem 0 1.1rem}
.hero-carousel .slide-cap h3{font-size:1.05rem; margin:0 0 .25rem}
.hero-carousel .slide-cap p{font-size:.94rem; color:var(--ink-2); margin:0}
.carousel-bar{display:flex; align-items:center; justify-content:space-between; gap:1rem; padding-top:.9rem}
.carousel-indicators{position:static; margin:0; justify-content:flex-start}
.carousel-indicators [data-bs-target]{width:34px; height:3px; margin:0 .4rem 0 0; background:var(--line); border:0; opacity:1; text-indent:-999px}
.carousel-indicators .active{background:var(--accent)}
.carousel-ctl{display:flex; gap:.4rem}
.carousel-ctl button{width:38px; height:38px; display:grid; place-items:center; border:1px solid var(--line); background:transparent; color:var(--ink); border-radius:2px}
.carousel-ctl button:hover{border-color:var(--accent); color:var(--accent)}

/* NESS extras */
.act-note{border-left:2px solid var(--accent); padding:.2rem 0 .2rem 1.3rem; margin:1.6rem 0}
.act-note p{margin:0; color:var(--ink-2)}
.year-mark{font-family:"Archivo",sans-serif; font-weight:600; font-size:clamp(2.4rem,5vw,3.4rem); color:var(--accent); line-height:1; display:block; margin-bottom:.6rem}

/* ===========================================================
   SCROLL REVEALS (home page)
   Hidden only when JS is running and motion is welcome, so the
   page still reads correctly with neither.
   =========================================================== */
@media (prefers-reduced-motion: no-preference){
  html.js [data-reveal]{
    opacity:0;
    transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
    transition-delay:var(--d,0ms);
  }
  html.js [data-reveal="up"]{transform:translateY(30px)}
  html.js [data-reveal="left"]{transform:translateX(-36px)}
  html.js [data-reveal="right"]{transform:translateX(36px)}
  html.js [data-reveal].is-in{opacity:1; transform:none}

  /* a rule that draws itself left to right */
  html.js [data-reveal="line"]{opacity:1}
  html.js .chain[data-reveal="line"]{border-top-color:transparent}
  html.js .chain[data-reveal="line"]::before{
    content:""; position:absolute; top:-2px; left:0; width:100%; height:2px;
    background:var(--line); transform:scaleX(0); transform-origin:left center;
    transition:transform 1s cubic-bezier(.2,.7,.3,1);
  }
  html.js .chain[data-reveal="line"].is-in::before{transform:scaleX(1)}
}
.chain{position:relative}

/* ===========================================================
   GALLERY + SLIDE DECK
   =========================================================== */
.filters{display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:2rem}
.filters button{
  font-family:"Archivo",sans-serif; font-size:.9rem; padding:.5rem 1.05rem;
  border:1px solid var(--line); background:transparent; color:var(--ink-2); border-radius:2px;
}
.filters button:hover{border-color:var(--accent); color:var(--accent)}
.filters button[aria-pressed="true"]{background:var(--accent); border-color:var(--accent); color:var(--accent-on)}

.gal-item{display:block; width:100%; text-align:left; padding:0; border:0; background:none; color:inherit}
.gal-item .ph{transition:transform .3s ease}
.gal-item:hover .ph{transform:translateY(-3px)}
.gal-item figcaption{padding-top:.7rem; font-size:.94rem; color:var(--ink-2); display:block}
.gal-item .cat{
  font-family:"Archivo",sans-serif; font-size:.72rem; letter-spacing:.05em; text-transform:uppercase;
  color:var(--accent); display:block; margin-bottom:.2rem;
}
.modal-content{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); color:var(--ink)}
.modal-header,.modal-footer{border-color:var(--line)}
.modal-title{font-family:"Archivo",sans-serif; font-size:1.05rem; font-weight:600}

/* slide deck viewer */
.deck{border:1px solid var(--line); background:var(--surface)}
.deck-stage{
  position:relative; aspect-ratio:4/3; background:#FFFFFF; display:flex;
  align-items:center; justify-content:center; overflow:hidden;
}
.deck-stage img{width:100%; height:100%; object-fit:contain; display:block}
.deck-stage:focus-visible{outline:2px solid var(--accent); outline-offset:-2px}
.deck-bar{
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:.75rem .9rem; border-top:1px solid var(--line); flex-wrap:wrap;
}
.deck-count{font-family:ui-monospace,Menlo,monospace; font-size:.86rem; color:var(--ink-2)}
.deck-nav{display:flex; gap:.4rem}
.deck-nav button{
  width:38px; height:38px; display:grid; place-items:center; border-radius:2px;
  border:1px solid var(--line); background:transparent; color:var(--ink);
}
.deck-nav button:hover:not(:disabled){border-color:var(--accent); color:var(--accent)}
.deck-nav button:disabled{opacity:.35}
.deck-thumbs{
  display:flex; gap:.45rem; overflow-x:auto; padding:.7rem; border-top:1px solid var(--line);
  scrollbar-width:thin;
}
.deck-thumbs button{padding:0; border:1px solid var(--line); background:#fff; flex:0 0 auto; line-height:0}
.deck-thumbs img{width:74px; height:56px; object-fit:cover; object-position:top}
.deck-thumbs button[aria-current="true"]{border-color:var(--accent); box-shadow:inset 0 0 0 1px var(--accent)}
.deck-meta td{padding:.55rem 1.1rem .55rem 0; font-size:.95rem; border-bottom:1px solid var(--line); vertical-align:top}
.deck-meta td:first-child{color:var(--ink-2); font-family:"Archivo",sans-serif; font-size:.86rem; white-space:nowrap}

/* CTA + footer */
.cta{background:var(--accent); color:var(--accent-on); padding:clamp(2.4rem,5vw,3.6rem)}
.cta h2{color:var(--accent-on); margin:0 0 .8rem}
.cta p{color:var(--accent-on); opacity:.88; margin:0}
.cta .btn{background:var(--accent-on); color:var(--accent); border-color:var(--accent-on)}
.cta .btn:hover{filter:brightness(.95)}
.site-foot{background:var(--surface); border-top:1px solid var(--line); padding:3.5rem 0 1.8rem}
.site-foot img{height:40px}
.site-foot h6{font-family:"Archivo",sans-serif; font-size:.76rem; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-2); margin-bottom:.9rem}
.site-foot a{display:block; color:var(--ink); text-decoration:none; padding:.24rem 0; font-size:.97rem}
.site-foot a:hover{color:var(--accent)}
.foot-base{display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin-top:2.6rem; padding-top:1.4rem; border-top:1px solid var(--line); font-size:.88rem; color:var(--ink-2)}
.skip{position:absolute; left:-9999px; background:var(--accent); color:var(--accent-on); padding:.7rem 1.2rem; z-index:2000}
.skip:focus{left:0}
@media (prefers-reduced-motion: no-preference){
  .hero .rise{opacity:0; transform:translateY(12px); animation:rise .65s cubic-bezier(.2,.7,.3,1) forwards}
  .hero .rise:nth-child(2){animation-delay:.07s} .hero .rise:nth-child(3){animation-delay:.14s} .hero .rise:nth-child(4){animation-delay:.21s}
  @keyframes rise{to{opacity:1; transform:none}}
}
